Radon (Rn)

A fascinating noble gas element.

Radon is element 86 on the periodic table.

Element properties

Atomic number
86
Symbol
Rn
Atomic mass
222 u
Category
Noble Gas
Period
6
Group
18
Block
p
State
Gas
Electron configuration
[Xe] 4f14 5d10 6s2 6p6
Electronegativity (Pauling)
2.2
Density
0.00973 g/cm³
Melting point
-71 °C
Boiling point
-61.7 °C